Linux and Unix, Open Source, Linux Howtos
We’ve written several articles in the past to find LUN ID mapped to Block device/disk, but when you’re managing a VCS cluster there are some situations where you might want …
How to find SAN LUN Mapped to VxVM Disk in Linux Read More
Extending the VxFX file system is a routine task for a Linux/Unix administrator and this can be done online with a few steps described in the below article: In this …
How to Extend Veritas File System (VxFS) in Linux Read More
There are situations where you want to map storage LUN (Logical Unit Number), Block Device, LVM (LV & VG names) and File System (FS) information for FS expansion or Disaster …
How to map LUN, Disk, LVM and FileSystem in Linux Read More
As you would have already known that the Red Hat Enterprise Linux (RHEL) 7 maintenance support phase will come to an end in June 2024. It’s time to prepare for …
How to Upgrade from RHEL 7 to RHEL 8 Read More
For some requirements, you may need to find a block device mapped against a logical unit number (LUNs) and filesystem (FS) for FS expansion or disaster recovery (DR) activity. Similar …
How to map SAN LUN, Disk and FileSystem in Linux Read More
Veritas is one of the best solution for concurrent write (Veritas Cluster Volume Manager (CVM)) and it allows up to 128 nodes in a cluster to simultaneously access and manage …
How to Create Shared VxFS FileSystem on Linux Read More
Veritas Cluster (VCS) is the most popular among others because I have seen VCS running on many mission critical systems, especially core banking systems were running on Veritas clusters. In …
How to Create VxVM Volume and Filesystem in Linux Read More
There are situations where we would be required to move a whole volume group from one system to another system for some requirement. As part of this, it also moves …
How to move a Volume Group from one system to another Read More
There are situations where a storage device or LUN must be removed from running system without any issue. This happens for a variety of reasons, but most commonly, when the …
Six Simple Steps to Remove a Storage Device (LUN) from Linux Read More
Disk space on Linux can be expanded by adding a new LUN or resizing an existing LUN on the system. In most cases, the online resizing of the multipath device …
How to Resize an Online Multipath Device on Linux Read More